v3.26.1
EMPLOYEE BENEFIT PLANS (Tables)
 12 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
Net periodic (benefits) costs were as follows:
Defined Benefits for the Years Ended 
September 30,		Supplemental Benefits for the Years 
Ended September 30,
202520242023202520242023
Net periodic (benefits) costs:
Interest cost$263 $883 $867 $362 $475 $454 
Expected return on plan assets(390)(1,160)(906)— — — 
Pension termination settlement
(4,621)— — — — — 
Amortization of:
Actuarial (gain) loss(79)(41)— 617 505 460 
Total net periodic (benefits) costs$(4,827)$(318)$(39)$979 $980 $914 
Schedule of Assumptions Used The weighted-average assumptions used in determining the net periodic (benefits) costs were as follows:
Defined Benefits for the Years Ended 
September 30,		Supplemental Benefits for the Years 
Ended September 30,
202520242023202520242023
Discount rate5.70 %5.30 %5.30 %4.44 %5.23 %5.01 %
Expected return on assets6.50 %6.50 %6.50 %— %— %— %
Schedule of Plan Assets and Benefit Obligation of Defined Benefit Plan
Plan assets and benefit obligation of the defined and supplemental benefit plans were as follows:
Defined Benefits at
September 30,		Supplemental Benefits at
September 30,
2025202420252024
Change in benefit obligation:
Benefit obligation at beginning of fiscal year$17,067 $16,099 $10,173 $10,308 
Interest cost263 883 362 475 
Benefits paid(543)(1,095)(1,845)(1,848)
Benefits paid related to pension termination
(15,784)— — — 
Actuarial (gain) loss(1,003)1,180 878 1,238 
Benefit obligation at end of fiscal year— 17,067 9,568 10,173 
Change in plan assets:
Fair value of plan assets at beginning of fiscal year22,275 19,283 — — 
Actual return on plan assets152 4,087 — — 
Company contributions— — 1,845 1,848 
Benefits paid(543)(1,095)(1,845)(1,848)
Benefits paid related to pension termination
(15,784)— — — 
Return of excess plan assets
(6,100)— — 
Fair value of plan assets at end of fiscal year— 22,275 — — 
Projected benefit obligation in excess of plan assets$— $5,208 $(9,568)$(10,173)
Amounts recognized in the statement of financial position consist of:
Non-Current Assets$— $5,208 $— $— 
Accrued liabilities— — (1,764)(1,774)
Other liabilities (long-term)— — (7,804)(8,399)
Total Liabilities— 5,208 (9,568)(10,173)
Net actuarial losses— (2,229)6,972 5,979 
Deferred taxes— 468 (1,669)(2,885)
Total accumulated other comprehensive loss, net of tax
— (1,761)5,303 3,094 
Net amount recognized at September 30,$— $3,447 $(4,265)$(7,079)
Accumulated benefit obligations$— $17,067 $9,568 $10,173 
Information for plans with accumulated benefit obligations in excess of plan assets:
ABO$— $17,066 $9,568 $10,173 
PBO— 17,066 9,568 10,173 
Fair value of plan assets— 22,274 — — 
Schedule of Weighted Average Assumptions Used in Defined and Supplemental Benefit Obligations
The weighted-average assumptions used in determining the benefit obligations were as follows:
Defined Benefits at 
September 30,		Supplemental Benefits at 
September 30,
2025202420252024
Weighted average discount rate— %5.70 %4.24 %4.19 %
Schedule of Expected Benefit Payments
Estimated future benefit payments to retirees, which reflect expected future service, are as follows:
For the years ending September 30,Supplemental Benefits
2026$1,765 
20271,589 
20281,413 
20291,239 
20301,074 
2031-2035
3,230 
Schedule of Actual and Weighted Average Assets Allocation for Qualified Benefit Plans
The weighted-average asset allocation for qualified benefit plans were as follows:
At September 30,
2024
Cash and equivalents— %
Equity securities12.1 %
Fixed income66.1 %
Other21.8 %
Total100.0 %
Schedule of Fair Value of Pension and Postretirement Plan Assets by Asset Category
The following table presents the fair values of Griffon’s pension and post-retirement plan assets by asset category:
At September 30, 2024Quoted Prices in
Active Markets for
Identical Assets
(Level 1)		Significant Other
Observable Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
Equity securities$2,692 $— $— $2,692 
Debt securities14,724 — — 14,724 
Commingled funds— 4,859 — 4,859 
Total$17,416 $4,859 $— $22,275 
Employee Stock Ownership Plan (ESOP) Disclosures The ESOP shares were as follows:
At September 30,
20252024
Allocated shares3,977,753 4,234,713 
Unallocated shares— 17,852 
Total3,977,753 4,252,565